Answer:
Step-by-step explanation:
diameter=7.3cm
radius=
=
=3.65cm
angle =120°
area=
× 
=
×
×
=
≅
This is the quadratic formula.
The answer is A. The Associative Property, followed by the Associative Property.
It's because they want you to group stuff, not simplify them.
Answer:
0
Step-by-step explanation:
-9 x 0 is 0 and dividing anything with 0 is 0